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WOFATI, an acronym for Woodland Oehler Freaky-cheap Annualized Thermal Inertia, is an innovative approach to sustainable building developed by permaculture expert Paul Wheaton. WOFATI structures are designed to be eco-friendly, utilizing locally sourced natural materials, primarily wood and earth. These structures are intended to be located on or near woodlands, promoting a harmonious integration with the natural surroundings. Annualized Thermal Inertia, a key element of WOFATI design, harnesses the thermal mass of the surrounding earth to provide passive heating in winter and cooling in summer, thereby minimizing the need for artificial temperature regulation. WOFATI structures are inspired by the work of Mike Oehler, a pioneer in earth-sheltered building known for his simple, "freaky-cheap" designs, which Wheaton has adapted and refined to further reduce construction costs. WOFATI buildings are typically characterized by a large gable roof on the downhill side, with at least 35% of the uphill wall featuring glass or other light-transmitting materials to maximize passive solar gain. Allerton Abbey, the first WOFATI structure, and Wofati 0.8 are both located at Wheaton Labs in Montana and serve as prominent examples of this unique building style.

The willow feeder system, a "freaky-cheap" and sustainable approach to human waste management, was developed by permaculture expert Paul Wheaton as an alternative to conventional septic systems and sewage treatment plants. The system emphasizes a closed-loop cycle, transforming human waste, or "poop", into valuable fertilizer, termed "willow candy". Unlike composting toilets, willow feeders utilize a dry environment created within sealed garbage cans to mummify the waste, preventing composting and the potential spread of pathogens. A small amount of sawdust is added to each can, primarily for aesthetic purposes. This dry process also preserves valuable carbon and nitrogen, which are often lost to the atmosphere during hot composting. After two years of aging, the pathogen-free "willow candy" can be safely applied as fertilizer to "poop beasts" — trees like willow, cottonwood, poplar, and bamboo — which can handle the high nutrient content without being harmed. This system turns human waste into a valuable resource, promoting sustainable gardening practices.

Rocket mass heaters are better than heat pumps because rocket mass heaters are free to operate and have less than 6% of the carbon footprint.

WOFATI structures are characterized by a thoughtful design that prioritizes passive systems and natural, locally sourced materials. The "two-skin" system, composed of a double layer of polyethylene membrane, encapsulates the earthen roof, providing a durable and waterproof barrier. The lower layer hugs the structure, while the upper layer defines the thermal mass surrounding it, with at least eight inches of dirt between the layers and sixteen inches on top. WOFATI designs emphasize a harmonious integration with the surrounding woodland, incorporating the "soil on wood" building technique. This method eliminates the need for a conventional concrete foundation, making construction faster and more affordable. A distinctive feature of WOFATI houses is the large gable roof on the downhill side, often incorporating glazing to allow light penetration, while at least 35% of the uphill wall features windows for optimal passive solar gain. This strategic placement and sizing of windows is crucial for maximizing natural light and regulating internal temperature, contributing to the effectiveness of Annualized Thermal Inertia.

"HUSP," an acronym for "Horticulture of the United States of Pocahontas," is a term coined by Paul Wheaton to represent a hypothetical agricultural system practiced in a fictional nation called the United States of Pocahontas (USP). In this imagined scenario, Pocahontas emerges as a strategic leader, thwarting European colonization and leading to the formation of the USP. This fictional nation's agricultural practices are characterized by a deep respect for the Earth, rejecting environmentally harmful methods like plowing and the use of petroleum-based fertilizers and pesticides. Instead, they embrace sustainable techniques akin to permaculture and traditional Indigenous knowledge, leading to superior food production, enhanced public health, and a thriving "health tourism" industry. Wheaton utilizes HUSP as a thought experiment, inspiring innovation and pushing the boundaries of contemporary permaculture. He proposes a real-world project involving a 2,000-acre plot divided into smaller sections where practitioners of permaculture, biodynamic farming, and native plant cultivation can experiment and share knowledge, collectively striving to "rediscover" the principles of HUSP and advance sustainable agriculture. This project emphasizes the importance of collaboration and government non-interference to foster creative solutions for a future where food production harmonizes with nature.